﻿using System.IO;
using System.Xml;
using System.Xml.Serialization;

#region - Legal -

///<legal>
/// Copyright © 2011, Tateeda Media Network
/// All rights reserved. http://tateeda.com
///
/// Redistribution and use in source and binary forms, with or without
/// modification, are permitted provided that the following conditions
/// are met:
///
/// - Redistributions of source code must retain the above copyright
/// notice, this list of conditions and the following disclaimer.
///
/// - Neither the name of the Tateeda Media Network, nor the names of its
/// contributors may be used to endorse or promote products
/// derived from this software without specific prior written
/// permission.
///
/// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
/// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
/// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
/// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
/// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
/// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES INCLUDING,
/// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
/// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
/// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
/// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
/// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
/// POSSIBILITY OF SUCH DAMAGE.
///</legal>

#endregion - Legal -

namespace Tateeda.ClinicalStudy.Base.Modules.Helpers.Utility {

    /// <summary>
    /// Serialization helper class.
    /// </summary>
    public class SerializationHelper {
        /// <summary>
        /// Returns XML representation of a serializable object.
        /// </summary>
        /// <param name="value">value of the object</param>
        /// <returns>xml string</returns>
        public static string ToXml(object value) {
            string result;
            var serializer = new XmlSerializer(value.GetType());
            using (var stream = new MemoryStream()) {
                serializer.Serialize(stream, value);
                // convert stream to string
                var reader = new StreamReader(stream);
                stream.Position = 0;
                result = reader.ReadToEnd();
            }
            return result;
        }

        /// <summary>
        /// Deserialize object of type T from xml string.
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="xmlValue">The XML value.</param>
        /// <param name="obj">The obj.</param>
        public static void FromXml<T>(string xmlValue, out T obj) {
            var doc = new XmlDocument();
            doc.LoadXml(xmlValue);
            if (doc.DocumentElement == null) {
                obj = default(T);
                return;
            }
            var reader = new XmlNodeReader(doc.DocumentElement);
            var ser = new XmlSerializer(typeof(T));
            obj = (T)ser.Deserialize(reader);
        }
    }
}